Key Terms

Question 1

Algorithm

Answer 1

A set of instructions that achieve a task

Question 2

Sequence

Answer 2

Following instructions one after the other

Question 3

Variable

Answer 3

A named container for a value
(Can be inspected or altered)

Question 4

Iteration

Answer 4

A repeated set of instructions

Question 5

Selection

Answer 5

A choice of which set of code to follow is based on a true or false question

Question 6

Program

Answer 6

A set of algorithms that have been created to solve a problem- apps

Question 7

Input

Answer 7

A method of entering data onto a computer system usually with an input device

Question 8

Output

Answer 8

A method of displaying information to a user

Question 9

CPU

Answer 9

Central processing unit- every command passes through the CPU

Question 10

RAM

Answer 10

random access memory, very fast, volatile data storage, contains the operating system, current programs and data

Question 11

ROM

Answer 11

read only memory, non-volatile memory, contains the boot strap and BIOS

Question 12

Volatile

Answer 12

Data is lost when machine is turned off

Question 13

LED

Answer 13

Light emitting diode - a light
Several colours including red, yellow, amber, white, green and blue

Question 14

BIOS

Answer 14

Basic input and output system

Question 15

Motherboard

Answer 15

A circuit board that connects all of the other components

Question 16

HTML

Answer 16

Hypertext markup language - used to create webpages

Question 17

Web browser

Answer 17

Software that interprets HTML to create a webpage

Question 18

CSS

Answer 18

Cascading Style Sheet used to centralise the format/style of a website